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(- 2k ^ 3 - 7k ^ 2 + 5k) + (6k ^ 2 + 3k) =
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(- 2k ^ 3 - 7k ^ 2 + 5k) + (6k ^ 2 + 3k) =

User OpensaurusRex
by
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1 Answer

6 votes

Answer:


- {2k}^(3) - {k}^(2) + 8k

Explanation:

1) Remove parentheses.


- {2k}^(3) - {7k}^(2) + 5k + {6k}^(2) + 3k

2) Collect like terms.


- {2k}^(3) + ( - 7k^(2) + {6k}^(2) ) + (5k + 3k)

3)Simplify.


- {2k}^(3) - {k}^(2) + 8k

Therefor, the answer is -2k³ - k² + 8k.

User Ryan McClure
by
3.3k points
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